well as you have read in my question.. i need help on a few equations.
my teacher (ever so kindly) has given my class revision papers with questions of a few topics in the test. i'm using them to revise but the thing is.. im kind of stuck on a few questions.
hope u can help me..
Simplify:
a) -12qr
--------- =
-15s
b) 4pq divided by -q
c) 4x - 3 (2x + 1)
d) 3 (2b - 7) -9b
e) 8g + 1 - (4g + 6)
f) 6(1 - 2m + 3n) - (m - 4n - 5)
Thank you

my teacher (ever so kindly) has given my class revision papers with questions of a few topics in the test. i'm using them to revise but the thing is.. im kind of stuck on a few questions.
hope u can help me..
Simplify:
a) -12qr
--------- =
-15s
b) 4pq divided by -q
c) 4x - 3 (2x + 1)
d) 3 (2b - 7) -9b
e) 8g + 1 - (4g + 6)
f) 6(1 - 2m + 3n) - (m - 4n - 5)
Thank you